Company Filing History:

12 out of 4,548

California Institute of Technology

Years Active: 1989-2011

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8073392 - Transmitter architecture based on antenna parasitic switching (2011-12-06),

2. 7075371 - Distributed circular geometry power amplifier architecture (2006-07-11),

3. 6930556 - Active-loop, spatially-combined amplifier (2005-08-16),

4. 6816012 - Distributed circular geometry power amplifier architecture (2004-11-09),

5. 6784732 - Class E/F switching power amplifiers (2004-08-31),

6. 6737948 - Distributed circular geometry power amplifier architecture (2004-05-18),

7. 6724255 - Class E/F switching power amplifiers (2004-04-20),

8. 6583672 - Method for controlling bias in an active grid array (2003-06-24),

9. 6559724 - Techniques for enhancing gain in a quasi-optic grid array (2003-05-06),

10. 6542662 - Mode translating waveguide adapter for a quasi-optic grid array (2003-04-01),

11. 6538793 - Electronically tunable and modulatable quasi-optic grid oscillator (2003-03-25),

12. 5404146 - High-gain broadband V-shaped slot antenna (1995-04-04),

13. 4888597 - Millimeter and submillimeter wave antenna structure (1989-12-19),

Title: David B Rutledge: Innovator in RF Technology

Introduction

David B Rutledge is a prominent inventor based in Pasadena, CA, known for his significant contributions to radio frequency (RF) technology. With a total of 13 patents to his name, Rutledge has made remarkable advancements in the field of communication systems.

Latest Patents

Among his latest patents is a groundbreaking invention titled "Transmitter architecture based on antenna parasitic switching." This invention features a radio transmitter that includes an antenna with at least one driven element and one reflector element. The driven element is electrically coupled to a radio carrier source, and the design incorporates switches to modulate the radio carrier. Additionally, Rutledge has developed a secure communication system that transmits a modulated signal within an information beam width. His method for modulating a radio signal involves switching the reflector switch to achieve the desired modulation. Another notable patent is the "Distributed circular geometry power amplifier architecture," which presents a novel topology for power amplifiers. This design enhances the power output of RF signals through a unique circular geometry of interconnected push-pull amplifiers, enabling the creation of low-cost, high-power amplifiers across various frequencies.

Career Highlights

David B Rutledge has had a distinguished career, working with esteemed organizations such as the California Institute of Technology and TRW Limited. His work has significantly impacted the development of RF technologies and communication systems.

Collaborations

Throughout his career, Rutledge has collaborated with notable individuals in the field, including Seyed Ali Hajimiri and Ichiro Aoki. These collaborations have further enriched his contributions to innovation in RF technology.

Conclusion

David B Rutledge stands out as a leading inventor in the realm of RF technology, with a strong portfolio of patents that reflect his innovative spirit and dedication to advancing communication systems. His work continues to influence the industry and inspire future innovations.

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